文档解释
ORA-25033: triggers cannot be executed at this time
Cause: An attempt was made to execute a trigger when the session was almost finished.
Action: Do not attempt to DML with triggers that are expected to execute when session has almost ended.
ORA-25033 错误表明数据库服务器没有允许执行触发器，而用户企图却执行所建立的触发器。
官方解释
ORA-25033: triggers cannot be executed at this time
Cause: Triggers were attempted to be executed, when the system was not allowing execution of triggers.
Action: Check the system configuration to make sure trigger execution is allowed, and try again.
常见案例
此错误常见于数据库服务器应用程序设置中禁用触发器。此外，由于添加 INSERT/UPDATE/DELETE 子句等可能在数据库服务器上导致失败的语句而发生此错误，也是一种常见情况。
一般处理方法及步骤
1.将触发器设置恢复为原始设置，确保触发器可以安全地运行。
2.清除数据库服务器中出错的语句，以确保触发器可以正常运行。
3.重新启动数据库服务器，以确保触发器准备就绪，以便正常运行。
4.重新运行触发器，确保触发器可以正常工作。
